uvm_fault(0xffffffff82636188, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82636188, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b87308,ffff800020b87390,6b4) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800020b872b0, count: 0 ddb{0}> trace sbdrop(ffff800020b87308,ffff800020b87390,6b4) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800020b87308,ffff800020b87390) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800020b87308,ffff800020b87390) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f6f4960) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6f4960,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6f4960,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd806cc04dc0,ffff800020ac6768) at soo_close+0x40 fdrop(fffffd806cc04dc0,ffff800020ac6768) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd806cc04dc0,ffff800020ac6768) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ac6768) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ac6768,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ac6768,ffff800020b87760,ffff800020b877b0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800020b87830) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020b87830) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc6c70, count: -14 ddb{0}> show registers rdi 0 rsi 0xc0 rbp 0xffff800020b87260 rbx 0 rdx 0x4df6a acpi_pdirpa+0x39dd2 rcx 0 rax 0 r8 0xffffffff81f983d8 sbdrop+0x248 r9 0x3 r10 0x356638341d4669e2 r11 0x300e0c98766b2bdb r12 0xc0 r13 0x200 r14 0xffff800020b87390 r15 0xfffffd0000000000 rip 0xffffffff81f983a9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b87200 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=466130 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac69d8,0xffffffff826498f0 process=0xffff800020a92f80 user=0xffff800020b82000, vmspace=0xfffffd8063d06d00 estcpu=23, cpticks=5, pctcpu=0.7 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70957 207717 0 0 3 0x14200 bored sosplice 90983 19081 82678 0 3 0x82 nanosleep syz-executor.0 44661 361223 82678 0 3 0x82 piperd syz-executor.1 82678 91856 14245 0 3 0x82 thrsleep syz-fuzzer 82678 272871 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 129936 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 233363 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 295999 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 117319 14245 0 3 0x4000082 kqread syz-fuzzer 82678 300853 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 413494 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 487049 14245 0 3 0x4000082 thrsleep syz-fuzzer 82678 136934 14245 0 3 0x4000082 thrsleep syz-fuzzer 14245 88240 92945 0 3 0x10008a pause ksh 92945 281305 19234 0 3 0x92 select sshd 83893 418789 1 0 3 0x100083 ttyin getty 19234 2817 1 0 3 0x80 select sshd 72466 140259 41768 74 3 0x100092 bpf pflogd 41768 69395 1 0 3 0x80 netio pflogd 2380 416512 86446 73 3 0x100090 kqread syslogd 86446 203538 1 0 3 0x100082 netio syslogd 31228 320161 1 77 3 0x100090 poll dhclient 3523 431635 1 0 3 0x80 poll dhclient 23892 100820 0 0 3 0x14200 bored smr 36401 515734 0 0 3 0x14200 pgzero zerothread 36172 323725 0 0 3 0x14200 aiodoned aiodoned 55790 226834 0 0 3 0x14200 syncer update 52505 158040 0 0 3 0x14200 cleaner cleaner 16773 366297 0 0 3 0x14200 reaper reaper 9394 297377 0 0 3 0x14200 pgdaemon pagedaemon 25065 48851 0 0 3 0x14200 bored crynlk 40529 226440 0 0 3 0x14200 bored crypto 92401 342495 0 0 3 0x40014200 acpi0 acpi0 8747 218764 0 0 7 0x40014200 idle1 45706 299809 0 0 3 0x14200 bored softnet 69795 168432 0 0 3 0x14200 bored systqmp 90216 230838 0 0 3 0x14200 bored systq 512 187377 0 0 3 0x40014200 bored softclock 25954 63163 0 0 3 0x40014200 idle0 1 496923 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9513 6414K 7061K 78643K 10950 0 pcb 13 8K 8K 78643K 51 0 rtable 106 11K 12K 78643K 284 0 ifaddr 72 14K 14K 78643K 84 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1491 0 iov 0 0K 16K 78643K 21 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1340 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 36 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 187 0 sigio 0 0K 0K 78643K 5 0 proc 61 63K 95K 78643K 447 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 29 0 in_multi 55 2K 3K 78643K 94 0 ether_multi 1 0K 0K 78643K 11 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 227 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 110 86K 86K 78643K 1550 0 UVM aobj 9 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 50 0 NDP 11 0K 0K 78643K 17 0 temp 100 3039K 3104K 78643K 5434 0 kqueue 3 4K 8K 78643K 14 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 11 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 31 0 28 1 0 1 1 0 8 0 rtentry 112 63 0 20 2 0 2 2 0 8 0 unpcb 120 111 0 101 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 94 0 86 1 0 1 1 0 8 0 inpcb 280 439 0 427 2 0 2 2 0 8 1 nd6 48 8 0 3 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 90 0 90 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 40 0 3 1 0 1 1 0 8 0 pfstkey 112 40 0 3 2 0 2 2 0 8 0 pfstate 328 40 0 3 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 252 0 52 13 0 13 13 0 8 0 art_table 32 253 0 52 2 0 2 2 0 8 0 art_node 16 62 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 9 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1673 0 266 46 0 46 46 0 8 0 ffsino 272 1673 0 266 95 0 95 95 0 8 0 nchpl 144 2127 0 510 61 0 61 61 0 8 0 uvmvnodes 72 1804 0 0 33 0 33 33 0 8 0 vnodes 208 1804 0 0 95 0 95 95 0 8 0 namei 1024 5646 0 5646 1 0 1 1 0 8 1 percpumem 16 33 0 1 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 9 0 2 1 0 1 1 0 8 0 scxspl 192 6610 0 6610 6 3 3 3 0 8 3 plimitpl 152 33 0 25 1 0 1 1 0 8 0 sigapl 424 405 0 373 4 0 4 4 0 8 0 futexpl 56 3066 0 3066 1 0 1 1 0 8 1 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 144 26 0 24 1 0 1 1 0 8 0 pipelkpl 48 98 0 88 1 0 1 1 0 8 0 pipepl 120 196 0 177 1 0 1 1 0 8 0 fdescpl 496 387 0 371 3 0 3 3 0 8 0 filepl 152 2372 0 2266 5 0 5 5 0 8 0 lockfpl 104 61 0 60 1 0 1 1 0 8 0 lockfspl 48 18 0 17 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 175 0 166 1 0 1 1 0 8 0 zombiepl 144 374 0 373 1 0 1 1 0 8 0 processpl 984 405 0 373 5 0 5 5 0 8 0 procpl 624 788 0 747 5 1 4 5 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 581 0 556 4 0 4 4 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 167 0 0 20 0 20 20 0 8 0 mtagpl 80 25 0 0 1 0 1 1 0 8 0 mbufpl 256 392 0 0 24 0 24 24 0 8 0 bufpl 280 4512 0 175 310 0 310 310 0 8 0 anonpl 16 47455 0 33582 61 4 57 60 0 124 0 amapchunkpl 152 1946 0 1803 7 0 7 7 0 158 0 amappl16 192 1638 0 888 41 2 39 41 0 8 1 amappl15 184 2 0 2 2 2 0 1 0 8 0 amappl14 176 78 0 77 3 2 1 1 0 8 0 amappl13 168 26 0 25 1 0 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 79 0 60 1 0 1 1 0 8 0 amappl10 144 100 0 93 1 0 1 1 0 8 0 amappl9 136 394 0 390 1 0 1 1 0 8 0 amappl8 128 303 0 288 1 0 1 1 0 8 0 amappl7 120 197 0 184 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 291 0 275 1 0 1 1 0 8 0 amappl4 96 498 0 468 2 1 1 2 0 8 0 amappl3 88 181 0 176 1 0 1 1 0 8 0 amappl2 80 2118 0 2046 3 1 2 3 0 8 0 amappl1 72 18600 0 18152 26 16 10 20 0 8 0 amappl 80 1047 0 995 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 396 0 373 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 396 0 373 1 0 1 1 0 8 0 vmmpekpl 168 6868 0 6839 2 0 2 2 0 8 0 vmmpepl 168 53866 0 51955 102 11 91 97 0 357 3 vmsppl 368 395 0 373 3 0 3 3 0 8 0 pdppl 4096 800 0 753 7 0 7 7 0 8 0 pvpl 32 165898 0 148896 153 3 150 153 0 265 12 pmappl 232 395 0 373 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 184 0 4 6 0 6 6 0 8 0